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| Graptolite Net | Graptolites & Graptoliters | Relationships among Graptolites | Edited by Piotr Mierzejewski |
| A probable cephalopod eggs as epibionts on Mastigograptus |
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| Clistrocystis graptolithofilius, known from Ordovician glacial boulders from Poland, was described by R. Kozłowski (1959) as an enigmatic organic fossil. These distinctive forms were epibionts on Mastigograptus colonies. Later, R. Kozłowski (1965) reinterpreted Clistrocystis as probable cephalopod egg capsules, laid down on graptolite stipes. ________________________ A. Ordovician Clistrocystis graptolithofilius on Mastigograptus stipe. B. Egg capsules of Recent Sepia officinalis on the seagrass Zostera. |
| Edited by Piotr Mierzejewski, the Count of Calmont and Countess Maja A. Korwin-Kossakowska since 2002 |
| Based on: Kozłowski, R. 1959. Un microfossile enigmatique. - Acta Palaeontologica Polonica 4, 273-277. Kozłowski, R. 1965. Oeufs fossiles des Cephalopodes? - Acta Palaeontologica Polonica 10, 3-9. |